feat: API for semantic layers

tests/unit_tests/commands/semantic_layer/delete_test.py

@@ -0,0 +1,50 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+from unittest.mock import MagicMock
+
+import pytest
+from pytest_mock import MockerFixture
+
+from superset.commands.semantic_layer.delete import DeleteSemanticLayerCommand
+from superset.commands.semantic_layer.exceptions import SemanticLayerNotFoundError
+
+
+def test_delete_semantic_layer_success(mocker: MockerFixture) -> None:
+    """Test successful deletion of a semantic layer."""
+    mock_model = MagicMock()
+
+    dao = mocker.patch(
+        "superset.commands.semantic_layer.delete.SemanticLayerDAO",
+    )
+    dao.find_by_uuid.return_value = mock_model
+
+    DeleteSemanticLayerCommand("some-uuid").run()
+
+    dao.find_by_uuid.assert_called_once_with("some-uuid")
+    dao.delete.assert_called_once_with([mock_model])
+
+
+def test_delete_semantic_layer_not_found(mocker: MockerFixture) -> None:
+    """Test that SemanticLayerNotFoundError is raised when model is missing."""
+    dao = mocker.patch(
+        "superset.commands.semantic_layer.delete.SemanticLayerDAO",
+    )
+    dao.find_by_uuid.return_value = None
+
+    with pytest.raises(SemanticLayerNotFoundError):
+        DeleteSemanticLayerCommand("missing-uuid").run()